JEE Main Chemistry question
The correct match of contents in Column I with those in column II is
Column-I: (A) He, (B) Cl, (C) Ca, (D) Li Column-II: (1) High electron affinity, (2) Most electropositive element, (3) Strongest reducing agent, (4) Highest ionisation energy
Answer: (A)
Solution
He, a noble gas with a completely filled valence shell, has the highest ionisation energy in its period (A-4). Cl, a halogen, has a high electron affinity (B-1). Ca, an alkaline-earth metal, is treated here as the most
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